diff options
Diffstat (limited to 'src/libsyntax/ext/expand.rs')
| -rw-r--r-- | src/libsyntax/ext/expand.rs | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/src/libsyntax/ext/expand.rs b/src/libsyntax/ext/expand.rs index 55012bb7f5a..f8f1e830770 100644 --- a/src/libsyntax/ext/expand.rs +++ b/src/libsyntax/ext/expand.rs @@ -344,8 +344,10 @@ impl<'a, 'b> MacroExpander<'a, 'b> { // FIXME(jseyfried): Refactor out the following logic let (expanded_fragment, new_invocations) = if let Some(ext) = ext { if let Some(ext) = ext { - let dummy = invoc.fragment_kind.dummy(invoc.span()).unwrap(); - let fragment = self.expand_invoc(invoc, &*ext).unwrap_or(dummy); + let (invoc_fragment_kind, invoc_span) = (invoc.fragment_kind, invoc.span()); + let fragment = self.expand_invoc(invoc, &*ext).unwrap_or_else(|| { + invoc_fragment_kind.dummy(invoc_span).unwrap() + }); self.collect_invocations(fragment, &[]) } else if let InvocationKind::Attr { attr: None, traits, item, .. } = invoc.kind { if !item.derive_allowed() { @@ -431,9 +433,7 @@ impl<'a, 'b> MacroExpander<'a, 'b> { fn resolve_imports(&mut self) { if self.monotonic { - let err_count = self.cx.parse_sess.span_diagnostic.err_count(); self.cx.resolver.resolve_imports(); - self.cx.resolve_err_count += self.cx.parse_sess.span_diagnostic.err_count() - err_count; } } @@ -457,11 +457,9 @@ impl<'a, 'b> MacroExpander<'a, 'b> { }; if self.monotonic { - let err_count = self.cx.parse_sess.span_diagnostic.err_count(); - let mark = self.cx.current_expansion.mark; - self.cx.resolver.visit_ast_fragment_with_placeholders(mark, &fragment_with_placeholders, - derives); - self.cx.resolve_err_count += self.cx.parse_sess.span_diagnostic.err_count() - err_count; + self.cx.resolver.visit_ast_fragment_with_placeholders( + self.cx.current_expansion.mark, &fragment_with_placeholders, derives + ); } (fragment_with_placeholders, invocations) |